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KPCL AE Mechanical 2018
22

KPCL AE Mechanical Question Paper - 2018 with Answer Key

22) In a reaction turbine, when steam flows through the moving blades.

Pressure increases while velocity decreases

Pressure decreases while velocity increases

Pressure and velocity both decreases

Pressure and velocity both increases

Answer is:

Pressure and velocity both decreases

KPCL AE Mechanical Question Paper - 2018 with Answer Key

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25) A body is subjected to a tensile stress of 1200 Mpa on one plane and another tensile stress of 600 Mpa on a plane at right angles to the former. It is also subjected to a shear stress of 400 Mpa on the same planes. The maximum normal stress will be

400 Mpa

500 Mpa

900 Mpa

1400 Mpa

Answer is:

1400 Mpa

26) The ability of a material to resist softening at high temperature is known as

Creep

Hot tempering

Hot hardness

Fatigue

Answer is:

Hot hardness

Explanation:

The ability of a material to resist softening at high temperature is known as Hot hardness.

28) In S.I units, the valu e of the universal gas constant is

8.314 J/kg mole-K

83.14 J/kgmole-K

831.4 J/kgmole-K

8314 J/kgmole-K

Answer is:

8.314 J/kg mole-K

29) The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 , is

20 N

100 N

500 N

None of these

Answer is:

500 N

KPCL AE Mechanical Question Paper - 2018 with Answer Key

For more MCQ's Click Here

22) In a reaction turbine, when steam flows through the moving blades.

Pressure and velocity both decreases

KPCL AE Mechanical Question Paper - 2018 with Answer Key

Related KPCL AE Mechanical Question Paper - 2018 with Answer Key

25) A body is subjected to a tensile stress of 1200 Mpa on one plane and another tensile stress of 600 Mpa on a plane at right angles to the former. It is also subjected to a shear stress of 400 Mpa on the same planes. The maximum normal stress will be

1400 Mpa

26) The ability of a material to resist softening at high temperature is known as

Hot hardness

28) In S.I units, the valu e of the universal gas constant is

8.314 J/kg mole-K

29) The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 , is

500 N

KPCL AE Mechanical Question Paper - 2018 with Answer Key